Integumentary System Flashcards Preview

DMD 5243 > Integumentary System > Flashcards

Flashcards in Integumentary System Deck (34):
1

Components of the integument

Skin, nails, hair, sweat glands, sebaceous glands

2

functions of the integument

Protection, prevent water loss, temp regulation, metabolic regulation, immune defense, sensory receptors, excretion by secretion

3

3 layers of skin

Epidermis, dermis, hypodermis

4

What is not a part of the integument?

hypodermis

5

What is the dermis and hypodermis made of?

connective tissue

6

What is the epidermis made of?

epithelial tissue

7

5 layers of epidermis

Stratum corneum, lucidum, granulosum, spinosum, basale

8

Which layer of the epidermis is only present in thick areas of skin?

Stratum lucidum

9

Keratinocytes

cell type of the epidermis
a hard protein that will protect our skin

10

Epidermal dendritic cells

macrophages

11

Tactile cells/Merkel cells

sensory cells

12

Melanocytes

cells that produce melanin that give us color and will protect us from UV rays

13

3 major proteins determining skin color

hemoglobin, melanin, carotene

14

Hemangioma

benign tumor of blood vessels

15

Vitiligo

depigmentation, melanocytes fail to make melanin or die

16

Albinismm

congenital
lack of pigment
danger of sunburn or skin cancer

17

Fingerprints

epidermal ridges

18

Layers of the Dermis

papillary
reticullar
vascular and innervated

19

Arrector pili muscle

causes our hair to stand up straight when we are cold or scared = goosebumps

20

Cleavage lines

orientation of collagen bundles, where a parallel incision will not cause a scar

21

Hypodermis is also known as

subcutaneous fat

22

parts of nails

free edge
lumula
cuticle
nail matrix

23

3 types of hair

lanugo (fetal)
vellus (fine hair, all over body)
terminal (head, pubic region, armpit, facial hair)

24

Structure of hair

follicle, root, shaft
contains keratin
arrector pili muscle

25

Exocrine glands

sebaceous
sudoriferous

26

sebaceous glands

oil glands that produce sebum

27

sudoriferous glands

sweat glands
merocrine glands are the most numerous and produce water
apocrine glands produce viscous sweat in the axillary, nipple, anal, and genital areas

28

basal cell carcinoma

most common, least dangeous, stratum basale

29

squamous cell carcinoma

keratinocytes

30

malignant melanoma

most deadly, melanocytes

31

first degree burn

epidermis

32

second degree burn

epidermis and dermis

33

third degree burn

all three layers of skin and more

34

ABCD rule of malignant melanoma detection

A - asymmetry
B - border
C - color
D - diameter